Space Shuttle Columbia disintegrated over Texas on Feb. 1, 2003. Tune in to see “Space Shuttle Columbia: The Final Flight” a CNN documentary set to air Sunday, April 7 at 9 p.m. ET/PT.

At the end of a nearly flawless 15-day mission in early 2003, the space shuttle Columbia disintegrated during reentry into Earth's atmosphere, killing the crew of seven. In this documentary, NOVA ...

EXCLUSIVE: The BBC and CNN are teaming up to mark 20 years since the Columbia space shuttle disaster. The broadcasters will co-produce the documentary, working titled Columbia: The Final Flight ...

From the archives: Watch CBS News coverage of the Space Shuttle Columbia disaster on Feb. 1, 2003, in the video above. Twenty years ago this Wednesday — on Feb. 1, 2003, at 8:48:39 a.m. EST ...

Seven astronauts died when the Space Shuttle Columbia disintegrated upon reentry on Feb. 1, 2003. NASA Deputy Administrator Pam Melroy looks back on the tragedy and how it shaped the agency.

5 ways the Columbia disaster changed spaceflight forever Matt Stroshane/Getty Images via CNN Newsource Space shuttle Columbia lifts off from NASA's Kennedy Space Center in January 2003 in Florida.

Twenty years after the Columbia disaster, hear from WESH 2's veteran journalists about covering the tragedy. How they knew what went wrong before most and what it was like to be a witness to history.

Shuttle Columbia Disaster in Space Feb 6, 2003 12:00 AM EDT ...